﻿// 
//    Copyright 2010 The JaernCloud Project
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
// 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Web.UI;

namespace JaernCloud.Language.Compiler.Types.Builtin.View {
    
    public abstract class AbstractHTMLElementType : NodeType, IRenderNodeType {

        public virtual void Render(INodeType root, TextWriter writer) {

            if (writer is HtmlTextWriter) {
                HtmlTextWriter htmlWriter = writer as HtmlTextWriter;
                htmlWriter.WriteFullBeginTag(Name);
                foreach (INodeType child in Children) {
                    if (child is IRenderNodeType) {
                        (child as IRenderNodeType).Render(this, htmlWriter);
                    }
                    if (child is IConstantNodeType) {
                        htmlWriter.Write((child as IConstantNodeType).Value);
                    }
                }
                htmlWriter.WriteEndTag(Name);
            } else {
                throw new ArgumentException("Expected writer as " + typeof(HtmlTextWriter));
            }

        }
    }
}
